As of 11:59 EDT

Weather in Hartmantown, TN

80°Current weather

Hartmantown, Sunday, 9 August, 11:59

Overcast. Feels like 84°. High 80°, low 67°.

Pressure30.18 inHg
Wind3 mph NW
Humidity75%
Visibility6.2 mi
Dew point72°

Monthly outlook for Hartmantown, TN: average high 82.9°, average low 64.7°. That is 0.8° above the climate normal for August. Precipitation is expected on 13 days (about 4.5 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 12 August (91.3°), the coolest 22 August (58.5°).

82.9°/64.7°
Average high / low
+0.8°
Above normal
13 / 6
Wet days / normal
4.5 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
9 August – 18 August84.1°81.5°+1.4°
19 August – 28 August80.9°81.5°-0.3°
29 August – 7 Septemberat normal80.1°

August records over 66 years

96.6°16 August 2007All-time high
46.9°29 August 1986All-time low

Climate normals and records are computed from the nearest reference point — Johnson City (11 mi).

Mon, 1081° / 68°0.14Light rain
81 °Light rain

Hartmantown, Monday, 10 August

Light rain. High 81°, low 68°.

Pressure30.15 inHg
Wind6.4 mph W
Humidity63%
Visibility6.2 mi
Dew point67°
Tue, 1185° / 66°0.05Light rain
85 °Light rain

Hartmantown, Tuesday, 11 August

Light rain. High 85°, low 66°.

Pressure30.09 inHg
Wind6.6 mph W
Humidity66%
Visibility6.2 mi
Dew point69°
Wed, 1291° / 63°1.39Heavy rain
91 °Heavy rain

Hartmantown, Wednesday, 12 August

Heavy rain. High 91°, low 63°.

Pressure29.94 inHg
Wind12.1 mph W
Humidity63%
Visibility6.2 mi
Dew point70°
Thu, 1382° / 62°0.32Rain
82 °Rain

Hartmantown, Thursday, 13 August

Rain. High 82°, low 62°.

Pressure30.00 inHg
Wind8.9 mph W
Humidity68%
Visibility
Dew point68°
Fri, 1480° / 68°0.77Rain
80 °Rain

Hartmantown, Friday, 14 August

Rain. High 80°, low 68°.

Pressure30.12 inHg
Wind6.4 mph W
Humidity96%
Visibility
Dew point69°
Sat, 1581° / 67°0.41Rain
81 °Rain

Hartmantown, Saturday, 15 August

Rain. High 81°, low 67°.

Pressure30.18 inHg
Wind5.1 mph NW
Humidity74%
Visibility
Dew point70°
Sun, 1688° / 65°0.04Light rain
88 °Light rain

Hartmantown, Sunday, 16 August

Light rain. High 88°, low 65°.

Pressure30.09 inHg
Wind8.5 mph SW
Humidity64%
Visibility
Dew point70°
Mon, 1787° / 69°0.47Rain
87 °Rain

Hartmantown, Monday, 17 August

Rain. High 87°, low 69°.

Pressure29.97 inHg
Wind11 mph W
Humidity62%
Visibility
Dew point69°
Tue, 1885° / 62°0Partly cloudy
85 °Partly cloudy

Hartmantown, Tuesday, 18 August

Partly cloudy. High 85°, low 62°.

Pressure29.94 inHg
Wind8.3 mph W
Humidity55%
Visibility
Dew point62°
Wed, 1985° / 66°0.25Rain
85 °Rain

Hartmantown, Wednesday, 19 August

Rain. High 85°, low 66°.

Pressure29.85 inHg
Wind15.4 mph W
Humidity59%
Visibility
Dew point65°
Thu, 2079° / 68°0.39Light rain
79 °Light rain

Hartmantown, Thursday, 20 August

Light rain. High 79°, low 68°.

Pressure29.85 inHg
Wind10.8 mph SW
Humidity88%
Visibility
Dew point70°
Fri, 2178° / 60°0Clear
78 °Clear

Hartmantown, Friday, 21 August

Clear. High 78°, low 60°.

Pressure29.94 inHg
Wind5.3 mph SW
Humidity52%
Visibility
Dew point57°
Sat, 2279° / 58°0.09Light rain
79 °Light rain

Hartmantown, Saturday, 22 August

Light rain. High 79°, low 58°.

Pressure29.97 inHg
Wind8.8 mph S
Humidity77%
Visibility
Dew point64°
Sun, 2381° / 65°0.05Light rain
81 °Light rain

Hartmantown, Sunday, 23 August

Light rain. High 81°, low 65°.

Pressure30.03 inHg
Wind8.7 mph W
Humidity64%
Visibility
Dew point65°
Mon, 2483° / 61°0Light rain
83 °Light rain

Hartmantown, Monday, 24 August

Light rain. High 83°, low 61°.

Pressure30.09 inHg
Wind5.7 mph NE
Humidity52%
Visibility
Dew point61°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 64°0.07Climate normal
82 °Climate normal

Hartmantown, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high82°
Average low64°
Average precipitation0.07 in
Chance of precipitation25%
Record high93° (2023)
Record low56° (2013)
Wed, 2682° / 63°0.07Climate normal
82 °Climate normal

Hartmantown, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high82°
Average low63°
Average precipitation0.07 in
Chance of precipitation27%
Record high92° (2016)
Record low55° (2015)
Thu, 2782° / 64°0.15Climate normal
82 °Climate normal

Hartmantown, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high82°
Average low64°
Average precipitation0.15 in
Chance of precipitation38%
Record high91° (2016)
Record low53° (1968)
Fri, 2882° / 64°0.08Climate normal
82 °Climate normal

Hartmantown, Friday, 28 August

Climate normal for this date — 60-year average.

Average high82°
Average low64°
Average precipitation0.08 in
Chance of precipitation32%
Record high91° (2021)
Record low52° (1968)
Sat, 2982° / 63°0.06Climate normal
82 °Climate normal

Hartmantown, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high82°
Average low63°
Average precipitation0.06 in
Chance of precipitation28%
Record high92° (2024)
Record low47° (1986)
Sun, 3082° / 63°0.06Climate normal
82 °Climate normal

Hartmantown, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high82°
Average low63°
Average precipitation0.06 in
Chance of precipitation38%
Record high94° (2024)
Record low49° (1986)
Mon, 3181° / 64°0.1Climate normal
81 °Climate normal

Hartmantown, Monday, 31 August

Climate normal for this date — 60-year average.

Average high81°
Average low64°
Average precipitation0.1 in
Chance of precipitation43%
Record high90° (2024)
Record low52° (1976)
Tue, 0180° / 63°0.15Climate normal
80 °Climate normal

Hartmantown, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high80°
Average low63°
Average precipitation0.15 in
Chance of precipitation40%
Record high90° (1973)
Record low52° (1999)
Wed, 0280° / 63°0.08Climate normal
80 °Climate normal

Hartmantown, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high80°
Average low63°
Average precipitation0.08 in
Chance of precipitation35%
Record high91° (2011)
Record low49° (1967)
Thu, 0380° / 62°0.1Climate normal
80 °Climate normal

Hartmantown, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high80°
Average low62°
Average precipitation0.1 in
Chance of precipitation42%
Record high93° (2011)
Record low49° (1967)
Fri, 0479° / 62°0.15Climate normal
79 °Climate normal

Hartmantown, Friday, 4 September

Climate normal for this date — 60-year average.

Average high79°
Average low62°
Average precipitation0.15 in
Chance of precipitation38%
Record high92° (2019)
Record low50° (1997)
Sat, 0579° / 62°0.17Climate normal
79 °Climate normal

Hartmantown, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high79°
Average low62°
Average precipitation0.17 in
Chance of precipitation40%
Record high91° (1975)
Record low47° (1997)
Sun, 0679° / 62°0.12Climate normal
79 °Climate normal

Hartmantown, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high79°
Average low62°
Average precipitation0.12 in
Chance of precipitation38%
Record high89° (2023)
Record low51° (1984)
Mon, 0779° / 61°0.11Climate normal
79 °Climate normal

Hartmantown, Monday, 7 September

Climate normal for this date — 60-year average.

Average high79°
Average low61°
Average precipitation0.11 in
Chance of precipitation32%
Record high91° (1990)
Record low49° (2017)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Hartmantown, TN are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Hartmantown, TN since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.